Can y'all help me please??

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x′y′z′, with vertices x′(4, -2), y′(4, -3), and z′(1, -4). the type of transformation that triangle xyz undergoes is a . triangle x′y′z′ then undergoes a transformation to form triangle x′y′z′, with vertices x″(4, 2), y″(4, 3), and z″(1, 4). the type of transformation that triangle x′y′z′ undergoes is a .